AIR HANDLER & FAN COIL UNITS
Commercial Air Handler & Fan Coil Unit Service in Southeast Michigan
Coil cleaning, motor service, VFD repair, filter upgrades, and full unit replacement for commercial AHUs and FCUs across Southeast Michigan. One in-house team handling every scope of work.
Air Handlers & Fan Coil Units
Air Handler Repair & Replacement
Motor failures, belt and bearing wear, coil fouling, drain pan issues, economizer faults, and VFD problems diagnosed and repaired. End-of-life units replaced with minimal facility disruption including ductwork, controls, and commissioning handled in-house.
Belt, Bearing & Sheave Service
Inspection, adjustment, and replacement to prevent mechanical wear from becoming a full system failure.
Economizer Controls Service
Economizer inspection, calibration, and repair to ensure free cooling is utilized when conditions allow.
Fan Coil Unit Repair & Replacement
Coil leaks, blower motor failures, valve malfunctions, and controls issues resolved for FCUs across multi-zone commercial buildings, medical facilities, hotels, and multi-family properties.
Variable Frequency Drive (VFD) Service
VFD fault diagnosis, parameter verification, programming, and replacement for air handlers on variable speed control.
Coil Cleaning
Evaporator and heating coil cleaning to restore airflow, temperature control, and energy efficiency. One of the most common and most overlooked sources of degraded AHU performance.
Filter System Upgrades
MERV-rated media upgrades, HEPA filtration, and UV germicidal systems for facilities with indoor air quality requirements.
Service Area
And surrounding Southeast Michigan communities.
Friedman Mechanical provides commercial cooling services throughout Southeast Michigan, including:
Air Handler Brands We Service and Install
Friedman Mechanical technicians are experienced across all major commercial cooling equipment manufacturers, including:
Don't see your brand listed? Call us. If it runs, we can service it.
Commercial HVAC
Need an AHU or Fan Coil Unit Serviced or Replaced?
Commercial air handler and fan coil service across Southeast Michigan. Coil cleaning, motor service, VFD repair, filter upgrades, and full unit replacement — every scope handled in-house.
AHU & FCU Repair
Motor failures, belt and bearing wear, coil fouling, drain pan issues, economizer faults, VFD problems, and fan coil valve malfunctions — diagnosed and repaired completely
VFD Service & Coil Cleaning
Variable frequency drive fault diagnosis, parameter verification, and replacement — plus evaporator and heating coil cleaning to restore airflow, temperature control, and efficiency
Filter Upgrades & IAQ
MERV-rated media upgrades, HEPA filtration, and UV germicidal systems for facilities with indoor air quality requirements or tenant comfort concerns
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Yes. Crane logistics, roof curb work, and all associated rigging are managed in-house as part of every full unit changeout.
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We evaluate system age, repair cost relative to replacement cost, current efficiency, and remaining useful life of major components and give you a straight answer. No pressure either direction.
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At minimum twice per year, ideally before peak cooling season and before peak heating season. High-usage units may benefit from quarterly visits.